A rapidly warming stratosphere and swirling polar vortexes, oh my! What is going on so far this winter? Three stratosphere experts help us sort it out.
La Niña's here through winter, but chances for ENSO to transition to neutral by spring are rising.
Breadjerknes feedback.... wait, I'm sorry, I mean *Bjerknes* feedback, and how it helps El Niño and La Niña events to grow.
Guest blogger Marybeth Arcodia explains her latest research into how the Madden-Julian Oscillation and ENSO sometimes enhance each other's influence on U.S. precipitation and other times cancel each other out.
The chance of La Niña developing by the fall and lasting through winter is 50-55%, and NOAA has issued a La Niña Watch.
Not a Mad Lib! Our blogger lays out some of the evidence for and against the notion that volcanic eruptions can trigger El Niño.
The ENSO team goes virtual in bringing you the latest outlook across the tropical Pacific Ocean.
How did the 2019-20 Winter Outlook do? Pretty darn good if you ask us! Learn just how good in our yearly verification post.
Our blogger discusses current conditions in the tropical Pacific and why forecasters favor ENSO-neutral through the summer.
The surface of the tropical Pacific has been warmer than average for a few months now, but ENSO-neutral conditions are still in place. Our blogger takes a journey into the mind of an ENSO forecaster. It’s her own mind, but that still counts.